Pneumatic carpet-cleaner.



R. W. THORNE.

PNEUISMIJITGY CARPET CLEANER. APPLIOATION FILED 1113.2, 1911.

1,937,081. Patented Aug'z, 1912.

Z SHEETS-SHEET 1.

- R. W. T-HORNE.

PNEUMATIG CARPET CLEANER.

H l APPLIGATIoN FILED fm2, 1911.

ffl/7 www imrrnn s'infrns PATENT OFFICE.

ROBERT' w; enorme, entonnoir, onreine, CANADA.

' v rnnnnnric CARPET-CLEANER.

I .hereinafter first fully set forth and de-v .1'5 scribed andthenvpointed out in the claim.I

Reference being had to the accompanying drawings forming part of thisspecification wherein; w

' yFigure vlis aplan View of my invention. .20 Inths View the-wire orotherreticulated open floor is shown.. Fig. 2 is another plan view ofmyinvvention. In lthis View the wire or other `reticulated"open' floor'lis removed, .anda plan Viewl of the sills, 'unnels,' 'con-A Fig. 3 is anend view of my invention. In ,this view the compressed air tank, the*innv nels' to catch the dust, dirt vand other cui matter, and the pipesleading'from the flindncting pipes andattachments are shown.

'30 nels to the fan -tcremove.,dust, 'dirt and other impurities,are'sho'wn. Fig. eeshows one of the vfloor wires adjustably h'eld vatone end, and Fig. 5 shows one of the floor Wires rigidly held at* theother end. Fig. `6 is a l sidev'iew, and Fig.- 7 a front view of the air'nozzle and-attachments. F ig. 8 is a view of the air nozzle looking atit from the. underside` In the accom anyin cates 'the sills o the oorand 2 the open 4ilo'or made of crossed wiresl or other'reticu' latedsuitable material.

In Fig. 5 one of the wires, a, of which theopen oor isformed, is shownrigidly sei; cured to the sill' 1, bythe staples 3, and to thesill 1 atthe other side of theopen floor, the other endof the w/ire, a,-issecured to the eyebolhas shown in Fig. el.

5. is asill board secured to the sill"1.by`

` the bolts,y and the eyebolt 4C extends ythrough the sillboard 5 and isadjustably secured in place by a *nut` 7 screwed on said eyebolt -1 Thecrossed l wire oroth'er reticulatedopen floor 2 is thus adjustablysecured I to the sills 1, Abeing adapted tc sag slightly :toward itscenter as shown.

i pecic'ation of Letters Patent.

' drawings "1:: indi-" l Patented Aug. 27,191.2.'

7 "Application mea February 2, 1911. serial NO eoaieo-i.

Serel tunnels, open at the top, which eX; tend from and are secured attheir edgesjt'o the sills 1,'and these :tunnels 8 extend sliglitly lbelow the open door 2, having the ltop edgefsgwi or rims 8 thereofinclined slightly inwardly as shown in Fig. 3. The rims 8 at the 'mouthsof the tunnels being inclined toward the transverse linel 9? leavespaces orope'n-, ings 10 for vthe entrance of' air to the X465haustingfunnels 8. 9 are conducting pipes which communicate with andopen into the :tunnels 8, and? lO'is a fan which opens into andcommunicates with these conducting pipes 9,as E'7c shown; and 11. is aWell or other bodyof sanitary water into which the fan 10 empties. f l

12 is a lever which is shown pivotalily'se-V cured to the funnel 8, butit may be secured '75 "to the sill 1 'or other suitable support, whichlever 12 operates a valve 13 in the enlargement, c, of the funnel 8,'vwhen required, whichvalve 13 shuts o any. funnel. 8 from the pipe 9when part of the funnels 8A 1 'e"8`0 not used, in-- order to concentratethe wind [from the Yconducting pipe9 to suclgthe dust, dirt'or otherimpurltiesidown any of the tunnels 8.' j v 14. isa door 4in each ofthetunnels :8,*85 which is 'usedtoget at the insideof said tunnels 8fromthe underside to sweep or clean them out when desired or forrepairs. 'or Jfor any other'purpose.

- 15 isa cmnpressedair tank, situated-M1190 any suitable point, thefairpressure in which 1s 'maintained by an engine and air, comy-presso'rorby any suitable means.

16 isran air`pipe,-`wh ich pipes the air frdmm `said coilpressed airtank tothe nozzle' 17,95

out of which t-hecompressed air vpasses through a narrow slit, b. 18 isa valve in this pipe 16, to permit or prevent the compressed air to passto the nozzle 17. r109 yThe opera-tion "which is very sim le is-asfollows: The 4carpehis laid 'face own on the wire or other open floor 2,and 'every parti-cle of dust, dirt, and 4other imprrties are forcedvfrom every thread ofthe carpet 105 i by about one hundred pounds airpressure coming from the compressed air tank 15 through the 4air pipe16, and out-,of the slit, Z in the nozzle 17 onto the carpet and fron1.the latter into the funnel `8 below, leavinglm the carpet perfectlysantaryand clean. But if the carpet should Vbe very dirty, it

)can be gone over again orit may Vbe turned over and' receive another:application of an1 from the saine o5 'opp .he can conductthe ositeside, and the air e'hands of an operator 4 air to the central or otherdirtypart of the carpet, as required. The dust, etc. taken fromeachcarpetor thejlike floor covering, is'conducted by the unnels 8 to.l thepipes nozzle 17 being-,iin t posited in a. sanitary is therefore provi-fill'lralolel and inexpensive 'to manufacture,

and.' one very eiicient in practical use.

Having thusfdescribed my invention, Iv

claim.:l

An apparatus .for cleaning fabrics' cornprising an adjustably-mounted:foraminous' support for the fabric 'slightly depressed toward thecenter thereof, sills upon which -9, and a fan 10 or other undergroundsuction system, is de# Well 11 outside, which 1s kept thoroughldisinfected. A -devi'ce' Ved Which is very simple,

- .nesses.

said support is mounted, means forforcing dust downwardly through thefabric, a pair ofvfunnels located therebeloW, rims at the vmouths ofsaid 'funnels arrangedlso as .to fill the space between the said sills,the adjacent portions of said 'rims extending below said sillszformingair entrance openings betw'en :said sil'lsand rims', conductingpipes ROBERT iv. THQRNE. Witnesses:

P. J. EDMUNDS,

S. HARDY.

